When I fall in love with a fictional character, that book is automatically added to my list of favorite reads. I love novelists who can create passion for their readers through their work.

The Sookie Stackhouse Series by Charlaine Harris
(2 more recent books not included in pic: Dead in the Family and Dead Reckoning) TruBlood is based on these fantastically sexy books! 
The Twilight Saga by Stephenie Meyer

The Hunger Games Trilogy by Suzanne Collins
Best Series. It is an amazing easy read that will keep you flying through the pages.